Castlegar

Castlegar may refer to:
 * Castlegar, British Columbia, Canada
 * Castlegar Airport
 * Castlegar Primary School
 * Castlegar Rebels, a Junior 'B' ice hockey team
 * Castlegar Apollos, a former junior 'B' ice hockey team
 * Castlegar, County Galway, Ireland, a village near Galway city
 * Castlegar GAA, a Gaelic Athletic Association club
 * Castlegar, County Mayo, Ireland, a townland near Claremorris; see List of townlands of County Mayo